12502513865 has 8 divisors (see below), whose sum is σ = 15013308480. Its totient is φ = 9995149872.

The previous prime is 12502513853. The next prime is 12502513867. The reversal of 12502513865 is 56831520521.

12502513865 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-12502513865 is a prime.

It is not an unprimeable number, because it can be changed into a prime (12502513867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 849629 + ... + 864218.

It is an arithmetic number, because the mean of its divisors is an integer number (1876663560).

Almost surely, 2^12502513865 is an apocalyptic number.

It is an amenable number.

12502513865 is a deficient number, since it is larger than the sum of its proper divisors (2510794615).

12502513865 is a wasteful number, since it uses less digits than its factorization.

12502513865 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1715311.

The product of its (nonzero) digits is 72000, while the sum is 38.

The spelling of 12502513865 in words is "twelve billion, five hundred two million, five hundred thirteen thousand, eight hundred sixty-five".